The declaration to configure screen-sharing host settings and restrictions.
| Setting | Type | Required | Default | Manual Install | Supported OS |
|---|---|---|---|---|---|
Maximum number of virtual displays MaximumVirtualDisplays The maximum number of virtual displays to make available to clients. Range: 0 - 2 | integer | optional | — | ✓Yes | macOS (14.0+) |
UDP port base PortBase The initial UDP port number to connect to the host. Screen sharing requires multiple connections, so the system increments this value by 1 for each additional connection. This doesn't change the port number that the system uses to initially establish a connection with a host, which is always TCP port 5900. Range: 1024 - 65535 | integer | optional | — | ✓Yes | macOS (14.0+) |
Prevent copying files from host PreventCopyFilesFromHost If `true`, the system prevents users from copying files from the screen-sharing host. | boolean | optional | false | ✓Yes | macOS (14.0+) |
Prevent copying files to host PreventCopyFilesToHost If `true`, the system prevents users from copying files to the screen-sharing host. | boolean | optional | false | ✓Yes | macOS (14.0+) |
Prevent high performance connections PreventHighPerformanceConnections If `true`, the system prevents clients from establishing high-performance connections to the host. | boolean | optional | false | ✓Yes | macOS (14.0+) |
Explore the full catalogue of Apple Mobile Device Management (MDM) and Declarative Device Management (DDM) policies for macOS and iOS. Search, filter, and reference policy keys for use with Microsoft Intune, Jamf, or any standards-compliant MDM solution.
com.apple.wifi.managed – Wi-Fi network configurationcom.apple.vpn.managed – VPN configurationcom.apple.applicationaccess – App and feature restrictionscom.apple.security.pkcs1 – Certificate (PKCS#1) payloadcom.apple.security.pkcs12 – Identity certificate (PKCS#12) payloadcom.apple.security.scep – SCEP certificate enrolmentcom.apple.mail.managed – Mail account configurationcom.apple.eas.account – Exchange ActiveSync accountcom.apple.MCX – Managed Client (macOS) preferencescom.apple.MCX.FileVault2 – FileVault 2 disk encryptioncom.apple.dock – macOS Dock configurationcom.apple.screensaver – Screensaver configurationcom.apple.loginwindow – macOS login window configurationcom.apple.systempolicy.managed – Gatekeeper / system policycom.apple.systempreferences – System Preferences pane restrictionscom.apple.SoftwareUpdate – Software update behaviourcom.apple.TCC.configuration-profile-policy – Privacy Preferences Policy Control (PPPC)com.apple.notificationsettings – Per-app notification settingscom.apple.webcontent-filter – Web content filtercom.apple.dnsSettings.managed – DNS settings (DoH / DoT)com.apple.relay.managed – Network relay configurationcom.apple.extensiblesso – Extensible Single Sign-Oncom.apple.configuration.passcode.settings – DDM: passcode policycom.apple.configuration.softwareupdate.enforcement.specific – DDM: enforced software updatecom.apple.configuration.services.configuration-files – DDM: service configuration filescom.apple.configuration.management.status-subscriptions – DDM: status subscriptionscom.apple.activation.simple – DDM: simple activation predicatecom.apple.management.organization-info – DDM: organization information